"ONLY use Clorox® Regular-Bleach or new Concentrated® Clorox® Regular-Bleach. DO NOT use the Scented bleaches, High Efficiency bleach, Splash-Less bleach, Clorox® Ultimate Care Bleach, or the Clorox® Bleach Pen Gel.
Read more at [www.clorox.com];

"The ideal storage temperature for bleach is between 50 and 70 degrees F. At those temperatures, bleach maintains its full strength and efficacy for between 3 and 6 months. After that, it loses about 20 percent of its strength per year. If it’s stored in hotter temperatures, it loses its strength even faster."